• Kairos@lemmy.today
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    2 months ago

    I feel like a garbage collector would be too much a performance hit for kernel stuff.

    • InverseParallax@lemmy.world
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      2 months ago

      2 things:

      1. It’s more the determinacy, a GC randomly fires up and your systems stops for some long amount of time. There are pauseless GCs but that’s a different nightmare.

      2. The kernel has things similar to GCs. They’re used for more specialized tasks, and some (like rcu) are absolute nightmares that have take decades to get working.